BIIB

Name: BIIB Congressional Trading Activity
Creator: Signal Congress

Congressional ActivityEXPLORE GRAPH →

Biogen Inc. - Common Stock (BIIB)

TOTAL TRADES

BUYS

SELLS

MEMBERS

unique traders

BIPARTISAN CLUSTERS

AVG ALPHA 60D

-7.51%

vs SPY benchmark

BIIB timeline28 trades · Congress + cabinet · convergence

Positioned by disclosure date. Click any marker for its source filing.

CongressCabinetContract cut8-K13D▲ buy ▼ sell ◆ n/a ■ event

EXECUTIVE HOLDINGS

Primary-source OGE 278-T disclosures

View all on Executive page →

OFFICIAL	AGENCY	DATE	TYPE	AMOUNT
Helberg, Jacob Under Secretary of State (Economic Growth	Department of State/Energy, and the Environment)	Jan 2, 26	SELL	$15K–$50K
Helberg, Jacob Under Secretary of State (Economic Growth	Department of State/Energy, and the Environment)	Jan 2, 26	SELL	$1K–$15K
Sauer, Dean John	—	Jun 12, 25	SELL	$50K–$100K
Mcgranahan, John Russell Russell General Counsel	General Services Administration	Jan 23, 25	SELL	$1K–$15K
Remy, Donald Deputy Secretary	Department of Veterans Affairs	Oct 7, 21	SELL	$1K–$15K
Remy, Donald Deputy Secretary	Department of Veterans Affairs	Oct 7, 21	SELL	$1K–$15K
Lander, Eric S Director	Office of Science and Technology Policy	Jun 10, 21	SELL	$100K–$250K
Panchanathan, Sethuraman Director	National Science Foundation	Jan 4, 21	SELL	$1K–$15K

25 trades

Congressional trading data from STOCK Act filings. Not investment advice.

ABOUT CONGRESSIONAL TRADING IN BIIB

As of July 2026, 6 members of Congress have collectively executed 25 disclosed trades on BIIB (Biogen Inc. - Common Stock). This includes 16 purchases and 9 sales, with bipartisan cluster activity detected 0 times — instances where members of both parties traded BIIB within overlapping time windows, often a signal of coordinated information or policy-related activity.

MOST-ACTIVE TRADERS

The most active trader of BIIB on Signal Congress is Ro Khanna with 14 trades, followed by Maria Salazar (4 trades) and Gil Cisneros (2 trades).

Signal Congress tracks BIIB congressional trades through STOCK Act PTR filings from the House Clerk XML feed and Senate eFD system. Each trade is scored for conviction (0–100 scale) based on filing speed, amount, and corroboration signals, and analyzed for alpha generation against the SPY benchmark over 60-day and 180-day windows.